%0 Journal Article %A Ya. A. Granilshchikova %A A. A. Shkalikov %T Spectral properties of a differential operator with involution %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2022 %P 67-71 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2022_4_a9/ %G ru %F VMUMM_2022_4_a9